Product Overview
Automatic Transmission Main Case Seal, Extension Housing (3.634 OD) (6778050) (121074)
Allison AT540, AT542, AT543, AT545, AT1545 1970-2001
Allison 640, MT643, MT644, MT647, MT650, MT653 (except 654) 1972-1993
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Automatic Transmission Main Case Seal, Extension Housing (3.634 OD) (6778050) (121074)
Allison AT540, AT542, AT543, AT545, AT1545 1970-2001
Allison 640, MT643, MT644, MT647, MT650, MT653 (except 654) 1972-1993